00423cam a22000977a 4500008004000000082001800040245013600058260006600194300001000260700005500270180718b1982   xxu||||| |||| 00| 0 eng d  aV44x5412 C333  aComprehensive pollution survey & studies of ganga river basin in West Bengalcby Centre for Study of Man & Environment, West Bengal  aCalcuttabPrevention & Control of Water Pollution Boardc1982  a52+p.  aWest Bengal. Centre for Study of Man & Environment